Java tutorial
//package com.java2s; /* SoftVolume.java Copyright (C) 2011 Belledonne Communications, Grenoble, France This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ import android.app.Activity; import android.content.Intent; import android.view.KeyEvent; public class Main { public static boolean onKeyBackGoHome(Activity activity, int keyCode, KeyEvent event) { if (!(keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0)) { return false; // continue } activity.startActivity(new Intent().setAction(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME)); return true; } }